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United States Department of Agriculture

Agricultural Research Service

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Experiments for Middle School
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Ways to "Boss" a Plant Around
Experiments for Students

You can try the following experiments at school or at home to see how good you are at "bossing" a plant around. Repeat the experiments several times to increase confidence in the accuracy of your results.

Image of one plant growing over white soil and another plant growing over red soil

image of smiling teeth and a pair of eyesExperiment 1-Are seedlings afraid of the dark?
image of the word HOT with fire under itExperiment 2-Is a greenhouse better for plants?
image of a cartoon treeExperiment 3-Does crowding affect plants?
image of a flower bouquetExperiment 4-Does colored mulch affect soil temperature?
image of a paint palette and a paint brushExperiment 5-Does colored mulch affect the growth rate of a plant?

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Last Modified: 8/12/2016
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